睿智平台中超完整的日期处理工具类DateUtil
很多地方都会用到Date日期处理，睿智平台当然也包括自己的dateUtil、stringutil、fileutil、IOUtil、NetUtil、XMLUtil等等大量的辅助开发工具类，这里先介绍一个大家常用的DateUtil
/**
package org.sagacity.framework.utils;
import java.sql.Timestamp;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import org.sagacity.framework.log.Log;
import org.sagacity.framework.log.LogFactory;
/**
?*
?*@project sagacity-core
?*@description:$<p>日期处理支持类，提供日常工作中的所有日期的操作处理</p>$
?*@author chenrenfei $<a href="mailto:zhongxuchen@hotmail.com">联系作者</a>$
?*@version $id:DateUtil.java,Revision:v1.0,Date:2008-12-14 下午08:01:19 $
?*/
public class DateUtil {
?/**
? * 定义日志
? */
?protected final static Log logger = LogFactory.getFactory().getLog(
???DateUtil.class);
?private static final String[] CHINA_DATE_KEYS = { "○", "О", "0", "Ο", "O",
???"零", "一", "二", "三", "四", "五", "六", "七", "八", "九", "十", "年", "月",
???"日", "时", "分", "秒" };
?private static final String[] CHINA_DATE_KEY_MAP = { "0", "0", "0", "0",
???"0", "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "-",
???"-", "", ":", ":", "" };
?private static String dateFormat = "yyyy-MM-dd";
?private static DateFormat df = new SimpleDateFormat(dateFormat);
?/**
? * 英文月份名称
? */
?private static final String[] MONTH_ENGLISH_NAME = { "January", "February",
???"March", "April", "May", "June", "July", "August", "September",
???"October", "November", "December" };
?/**
? * 中文星期的名称
? */
?private static final String[] WEEK_CHINA_NAME = { "星期一", "星期二", "星期三",
???"星期四", "星期五", "星期六", "星期日" };
?/**
? * 英文星期的名称
? */
?private static final String[] WEEK_ENGLISH_NAME = { "Monday", "Tuesday",
???"Wensday", "Tursday", "Friday", "Saturday", "Sunday" };
?/**
? * 定义日期的格式
? */
?public final static class FORMAT {
??/**
?? * 8位日期格式
?? */
??public final static String DATE_8CHAR = "yyyyMMdd";
??/**
?? * 点号日期格式
?? */
??public final static String DATE_DOT = "yyyy.MM.dd";
??/**
?? * 反斜杠日期格式
?? */
??public final static String DATE_SLASH = "yyyy/MM/dd";
??/**
?? * 横杠日期格式
?? */
??public final static String DATEF_HORIZONTAL = "yyyy-MM-dd";
??/**
?? * 日期时间(日期点格??)
?? */
??public final static String DATATIME_DOT = "yyyy.MM.dd HH:mm:ss";
??/**
?? * 日期时间(日期反斜杠)
?? */
??public final static String DATETIME_SLASH = "yyyy/MM/dd HH:mm:ss";
??/**
?? * 日期时间(日期横杠)
?? */
??public final static String DATETIME_HORIZONTAL = "yyyy-MM-dd HH:mm:ss";
?}
?/**
? * 将日期字符串或时间转换成时间类型 日期字符串中的日期分隔符可是:"/",".","-"， 返回时间具体到秒 只提供常用的日期格式处理
? *
? * @param str
? * @return Date
? * @throws UtilException
? */
?public static Date parseString(String dateString, String format) {
??if (dateString == null || "".equals(dateString)
????|| "null".equals(dateString.toLowerCase())) {
???logger.error("The date string is null!");
???return null;
??}
??try {
???if (StringUtil.isNullOrBlank(format))
????return parseString(dateString);
???DateFormat df = new SimpleDateFormat(format);
???return df.parse(dateString);
??} catch (Exception e) {
???e.printStackTrace();
???return null;
??}
?}
?/**
? *将日期字符串或时间转换成时间类型 日期字符串中的日期分隔符可是:"/",".","-"， 返回时间具体到秒 只提供常用的日期格式处理
? *
? * @TODO TODO
? *@param dateStr
? *@return
? */
?public static Date parseString(String dateStr) {
??if (dateStr == null)
???return null;
??dateStr = dateStr.trim();
??if (dateStr.equals(""))
???return null;
??DateFormat df;
??try {
???if (StringUtil.matchs(dateStr, "^\\d{1,2}\\:\\d{1,2}\\:\\d{1,2}$"))
????df = new SimpleDateFormat("HH:mm:ss");
???else if (StringUtil.matchs(dateStr,
?????"^\\d{1,2}\\:\\d{1,2}\\:\\d{1,2}\\.\\d{1,3}$"))
????df = new SimpleDateFormat("HH:mm:ss.SSS");
???else if (StringUtil.matchs(dateStr,
?????"^\\d{1,2}\\.\\d{1,2}\\.\\d{1,2}$"))
????df = new SimpleDateFormat("HH.mm.ss");
???else if (StringUtil.matchs(dateStr, "^\\d{1,2}\\.\\d{1,2}$"))
????df = new SimpleDateFormat("HH.mm");
???else if (StringUtil.matchs(dateStr, "^\\d{1,2}\\:\\d{1,2}$"))
????df = new SimpleDateFormat("HH:mm");
???else {
????dateStr = dateStr.replace("-", "/").replace(".", "/").replace(
??????":", "/").replace("\", "/");
????// 按概率高低排序
????if (StringUtil
??????.matchs(dateStr, "^\\d{4}\\/\\d{1,2}\\/\\d{1,2}$"))
?????df = new SimpleDateFormat("yyyy/MM/dd");
????else if (StringUtil
??????.matchs(dateStr,
????????"^\\d{4}\\/\\d{1,2}\\/\\d{1,2}\\s+\\d{1,2}\\/\\d{1,2}\\/\\d{1,2}$"))
?????df = new SimpleDateFormat("yyyy/MM/dd HH/mm/ss");
????else if (StringUtil.matchs(dateStr, "^\\d{8}$"))
?????df = new SimpleDateFormat("yyyyMMdd");
????else if (StringUtil.matchs(dateStr, "^\\d{8}\\s+\\d{6}$"))
?????df = new SimpleDateFormat("yyyyMMdd HHmmss");
????else if (StringUtil.matchs(dateStr, "^\\d{4}\\/\\d{1,2}$"))
?????df = new SimpleDateFormat("yyyy/MM");
????else if (StringUtil.matchs(dateStr, "^\\d{6}$"))
?????df = new SimpleDateFormat("yyyyMM");
????else if (StringUtil
??????.matchs(dateStr,
????????"^\\d{4}\\/\\d{1,2}\\/\\d{1,2}\\s+\\d{1,2}\\/\\d{1,2}\\/\\d{1,2}\\/\\d{1,3}$"))
?????df = new SimpleDateFormat("yyyy/MM/dd HH/mm/ss/SSS");
????else if (StringUtil.matchs(dateStr,
??????"^\\d{2}\\/\\d{1,2}\\/\\d{1,2}$"))
?????df = new SimpleDateFormat("yy/MM/dd");
????else if (StringUtil.matchs(dateStr, "^\\d{2}\\/\\d{2}$"))
?????df = new SimpleDateFormat("yy/MM");
????else if (StringUtil
??????.matchs(dateStr,
????????"^\\d{2}\\/\\d{1,2}\\/\\d{1,2}\\s+\\d{1,2}\\/\\d{1,2}\\/\\d{1,2}$"))
?????df = new SimpleDateFormat("yy/MM/dd HH/mm/ss");
????else if (StringUtil
??????.matchs(dateStr,
????????"^\\d{2}\\/\\d{1,2}\\/\\d{1,2}\\s+\\d{1,2}\\/\\d{1,2}$"))
?????df = new SimpleDateFormat("yy/MM/dd HH/mm");
????else if (StringUtil
??????.matchs(dateStr,
????????"^\\d{4}\\/\\d{1,2}\\/\\d{1,2}\\/\\d{1,2}\\/\\d{1,2}\\/\\d{1,2}$"))
?????df = new SimpleDateFormat("yyyy/MM/dd/HH/mm/ss");
????else if (StringUtil
??????.matchs(dateStr,
????????"^\\d{4}\\/\\d{1,2}\\/\\d{1,2}\\/\\d{1,2}\\/\\d{1,2}\\/\\d{1,2}\\/\\d{1,3}$"))
?????df = new SimpleDateFormat("yyyy/MM/dd/HH/mm/ss/SSS");
????else if (StringUtil
??????.matchs(dateStr,
????????"^\\d{2}\\/\\d{1,2}\\/\\d{1,2}\\/\\d{1,2}\\/\\d{1,2}\\/\\d{1,2}$"))
?????df = new SimpleDateFormat("yy/MM/dd/HH/mm/ss");
????else if (StringUtil.matchs(dateStr,
??????"^\\d{2}\\/\\d{1,2}\\/\\d{1,2}\\/\\d{1,2}\\/\\d{1,2}$"))
?????df = new SimpleDateFormat("yy/MM/dd/HH/mm");
????else if (StringUtil.matchs(dateStr, "^\\d{6}\\s+\\d{6}$"))
?????df = new SimpleDateFormat("yyMMdd HHmmss");
????else if (StringUtil.matchs(dateStr, "^\\d{7,9}$"))
?????df = new SimpleDateFormat("HHmmssSSS");
????else if (StringUtil.matchs(dateStr, "^\\d{14}$"))
?????df = new SimpleDateFormat("yyyyMMddHHmmss");
????else if (StringUtil.matchs(dateStr, "^\\d{15,17}$"))
?????df = new SimpleDateFormat("yyyyMMddHHmmssSSS");
????else if (StringUtil.matchs(dateStr, "^\\d{12}$"))
?????df = new SimpleDateFormat("yyMMddHHmmss");
????else if (StringUtil.matchs(dateStr, "^\\d{4}$"))
?????df = new SimpleDateFormat("yyyy");
????else
?????df = new SimpleDateFormat("yyyy/MM/dd");
???}
???return df.parse(dateStr);
??} catch (java.text.ParseException e) {
???e.printStackTrace();
??}
??return null;
?}
?/**
? * 日期对象类型转换
? *
? * @param dt
? * @return
? */
?public static java.util.Date convertDateObject(Object dt) {
??if (dt == null) {
???System.err.println("日期不能为空,请正确输入!");
???return null;
??}
??if (!(dt instanceof String) && !(dt instanceof java.sql.Date)
????&& !(dt instanceof java.util.Date)
????&& !(dt instanceof java.lang.Integer)
????&& !(dt instanceof java.lang.Long))
???throw new IllegalArgumentException(
?????"日期格式必须是String、Date、Long、Integer类型,请正确输入!");
??Date result = null;
??if (dt instanceof String)
???result = parseString((String) dt);
??else if (dt instanceof java.util.Date)
???result = new java.util.Date(((java.util.Date) dt).getTime());
??else if (dt instanceof java.sql.Date)
???result = new java.util.Date(((java.sql.Date) dt).getTime());
??else
???result = parseString(dt.toString());
??return result;
?}
?/**
? * ??要改进增加非正常格式的日期转换功??!??20080718103020 ?? 20080718 103020 将日期类型转换成字符??
? * 其格式包??:通过DateFormat转换的标准格式，如yyyy/MM/dd HH:mm:ss或???yyyy-MM-dd HH:mm:ss
? * 非标准的格式，如YYYY/MM/DD
? *
? * @param dt
? * @param fmt
? * @return String
? * @throws UtilException
? */
?public static String formatDate(Object dt, String fmt) {
??if (dt == null)
???return null;
??DateFormat df = null;
??if (fmt.equalsIgnoreCase("yyyy"))
???return Integer.toString(getYear(dt));
??else if (fmt.equalsIgnoreCase("MM"))
???return Integer.toString(getMonth(dt));
??else if (fmt.equalsIgnoreCase("dd"))
???return Integer.toString(getDay(dt));
??df = new SimpleDateFormat(fmt);
??Date tmp = convertDateObject(dt);
??if (tmp == null)
???return null;
??return df.format(tmp);
?}
?/**
? * 获取当前操作系统的日期
? *
? * @return Date
? */
?public static java.sql.Date getSqlDate() {
??return getSqlDate(new java.util.Date());
?}
?/**
? * 获取当前以sql.date的日期
? *
? * @param date
? * @return
? */
?public static java.sql.Date getSqlDate(Object date) {
??if (date == null)
???return null;
??return new java.sql.Date(convertDateObject(date).getTime());
?}
?
?public static java.sql.Timestamp getTimestamp(Object date) {
??Date tmp = convertDateObject(date);
??return new Timestamp(tmp.getTime());
?}
?/**
? * 获取当前操作系统的时间
? *
? * @return 当前操作系统的时间
? */
?public static Date getNowTime() {
??return Calendar.getInstance().getTime();
?}
?// Add millisecond
?public static Date addMilliSecond(Object dt, long millisecond) {
??Date tmp = convertDateObject(dt);
??tmp.setTime(tmp.getTime() + millisecond);
??return tmp;
?}
?public static Date addSecond(Object dt, long second) {
??return addMilliSecond(dt, 1000L * second);
?}
?public static Date addSecond(Object dt, double second) {
??Double millisecond = new Double(1000.0 * second);
??return addMilliSecond(dt, millisecond.longValue());
?}
?public static Date addMinute(Object dt, long minute) {
??return addMilliSecond(dt, 1000L * 60L * minute);
?}
?public static Date addMinute(Object dt, double minute) {
??Double millisecond = new Double(1000.0 * 60.0 * minute);
??return addMilliSecond(dt, millisecond.longValue());
?}
?public static Date addHour(Object dt, long hour) {
??return addMilliSecond(dt, 1000L * 60L * 60L * hour);
?}
?public static Date addHour(Object dt, double hour) {
??Double millisecond = new Double(1000.0 * 60.0 * 60.0 * hour);
??return addMilliSecond(dt, millisecond.longValue());
?}
?public static Date addDay(Object dt, long day) {
??return addMilliSecond(dt, 1000L * 60L * 60L * 24L * day);
?}
?public static Date addDay(Object dt, double day) {
??Double millisecond = new Double(1000.0 * 60.0 * 60.0 * 24.0 * day);
??return addMilliSecond(dt, millisecond.longValue());
?}
?// add month
?public static Date addMonth(Object dt, int month) {
??Date tmp = convertDateObject(dt);
??GregorianCalendar gc = new GregorianCalendar();
??gc.setTime(tmp);
??gc.add(2, month);
??return gc.getTime();
?}
?/**
? * add year
? *
? * @param dt
? * @param year
? * @return
? */
?public static Date addYear(Object dt, int year) {
??GregorianCalendar gc = new GregorianCalendar();
??gc.setTime(convertDateObject(dt));
??gc.add(1, year);
??return gc.getTime();
?}
?/**
? * @todo 在给定的日期上做年的加减运算
? * @param dt
? * @param year
? * @return
? */
?public static Date addYear(Object dt, double year) {
??// 如果日期为空表示以当前日期为基数进行加减
??Date tmp = convertDateObject(dt);
??double floorYear = Math.floor(year);
??double decimalYear = year - floorYear;
??tmp = addYear(tmp, (new Double(floorYear)).intValue());
??Calendar cal = Calendar.getInstance();
??cal.setTime(tmp);
??cal.set(Calendar.YEAR, cal.get(Calendar.YEAR) + 1);
??Date nextdt = cal.getTime();
??long yearMillisecond = nextdt.getTime() - tmp.getTime();
??double millisecond = (double) yearMillisecond * decimalYear;
??return addSecond(tmp, (long) millisecond);
?}
?public static int getYear() {
??return getYear(null);
?}
?public static int getYear(Object dateValue) {
??GregorianCalendar currentDate = new GregorianCalendar();
??if (dateValue != null)
???currentDate.setTime(convertDateObject(dateValue));
??return currentDate.get(Calendar.YEAR);
?}
?public static String getShortYear(Object dateValue) {
??int year = getYear(dateValue);
??return Integer.toString(year).substring(2);
?}
?public static int getMonth() {
??return getMonth(null);
?}
?/**
? *
? *@TODO 获取月份的英文名称
? *@param dateValue
? *@return
? */
?public static String getMonthName(Object dateValue) {
??return MONTH_ENGLISH_NAME[getMonth(dateValue) - 1];
?}
?public static int getMonth(Object dateValue) {
??GregorianCalendar currentDate = new GregorianCalendar();
??if (dateValue != null)
???currentDate.setTime(convertDateObject(dateValue));
??return currentDate.get(Calendar.MONTH) + 1;
?}
?public static int getDay() {
??return getDay(null);
?}
?public static int getDay(Object dateValue) {
??GregorianCalendar currentDate = new GregorianCalendar();
??if (dateValue != null)
???currentDate.setTime(convertDateObject(dateValue));
??return currentDate.get(Calendar.DAY_OF_MONTH);
?}
?public static int getHour() {
??return getHour(null);
?}
?public static int getHour(Object dateValue) {
??GregorianCalendar currentDate = new GregorianCalendar();
??if (dateValue != null)
???currentDate.setTime(convertDateObject(dateValue));
??return currentDate.get(Calendar.HOUR_OF_DAY);
?}
?public static int getMinute() {
??return getMinute(null);
?}
?public static int getMinute(Object dateValue) {
??GregorianCalendar currentDate = new GregorianCalendar();
??if (dateValue != null)
???currentDate.setTime(convertDateObject(dateValue));
??return currentDate.get(Calendar.MINUTE);
?}
?public static int getSecond() {
??return getSecond(null);
?}
?public static int getSecond(Object dateValue) {
??GregorianCalendar currentDate = new GregorianCalendar();
??if (dateValue != null)
???currentDate.setTime(convertDateObject(dateValue));
??return currentDate.get(Calendar.SECOND);
?}
?/**
? * 获取当前日历
? *
? * @return
? */
?public static GregorianCalendar getCalendar() {
??return new GregorianCalendar();
?}
?public static int getDayOfWeek() {
??return getDayOfWeek(null);
?}
?public static int getDayOfWeek(Object dateValue) {
??GregorianCalendar currentDate = getCalendar();
??if (dateValue != null)
???currentDate.setTime(convertDateObject(dateValue));
??int week = currentDate.get(Calendar.DAY_OF_WEEK) - 1;
??if (week == 0)
???return 7;
??return week;
?}
?/**
? *
? *@TODO 获取日期的中文名称
? *@param dateValue
? *@return
? */
?public static String getDayOfWeekChinaName(Object dateValue) {
??return WEEK_CHINA_NAME[getDayOfWeek(dateValue) - 1];
?}
?/**
? *
? *@TODO 获取日期的中文名称
? *@param dateValue
? *@return
? */
?public static String getDayOfWeekEnglishName(Object dateValue) {
??return WEEK_ENGLISH_NAME[getDayOfWeek(dateValue) - 1];
?}
?public static int getWeekOfMonth() {
??return getWeekOfMonth(null);
?}
?/**
? * 获取给定日期所在月的第几周
? *
? * @param dateValue
? * @return
? */
?public static int getWeekOfMonth(Object dateValue) {
??GregorianCalendar currentDate = getCalendar();
??if (dateValue != null)
???currentDate.setTime(convertDateObject(dateValue));
??return currentDate.get(Calendar.WEEK_OF_MONTH) - 1;
?}
?public static int getWeekOfYear() {
??return getWeekOfYear(null);
?}
?/**
? * 获取给定日期所在年的第几周
? *
? * @param dateValue
? * @return
? */
?public static int getWeekOfYear(Object dateValue) {
??GregorianCalendar currentDate = getCalendar();
??if (dateValue != null)
???currentDate.setTime(convertDateObject(dateValue));
??return currentDate.get(Calendar.WEEK_OF_YEAR) - 1;
?}
?/**
? * @todo 获取相隔两个时间的周数
? * @param floorDate
? * @param goalDate
? * @return
? */
?public static double getIntervalWeeks(Object floorDate, Object goalDate) {
??return getIntervalHours(floorDate, goalDate) / (7 * 24);
?}
?/**
? * @todo 获取两个时间间隔的天数
? * @param floorDate
? * @param goalDate
? * @return
? */
?public static long getIntervalDays(Object floorDate, Object goalDate) {
??return getIntervalMillSeconds(floorDate, goalDate) / (3600 * 1000 * 24);
?}
?/**
? * @todo 获取两个时间间隔的小时数
? * @param floorDate
? * @param goalDate
? * @return
? */
?public static double getIntervalHours(Object floorDate, Object goalDate) {
??return getIntervalMillSeconds(floorDate, goalDate) / (3600 * 1000);
?}
?/**
? * @todo 获取两时间的间隔分钟
? * @param floorDate
? *??????????? Date
? * @param goalDate
? *??????????? Date
? * @return double
? */
?public static double getIntervalMinutes(Object floorDate, Object goalDate) {
??return getIntervalMillSeconds(floorDate, goalDate) / (60 * 1000);
?}
?/**
? * @todo 获取两时间的间隔分钟
? * @param floorDate
? *??????????? Date
? * @param goalDate
? *??????????? Date
? * @return double
? */
?public static double getIntervalSeconds(Object floorDate, Object goalDate) {
??return getIntervalMillSeconds(floorDate, goalDate) / (1000);
?}
?/**
? * @todo 获取两时间间隔的毫秒数
? * @param floorDate
? *??????????? Date
? * @param goalDate
? *??????????? Date
? * @return double
? */
?public static long getIntervalMillSeconds(Object floorDate, Object goalDate) {
??return convertDateObject(goalDate).getTime()
????- convertDateObject(floorDate).getTime();
?}
?/**
? * @todo 获取两个时间之间的间隔并以格??:xx天xx小时xx分钟xx秒输出
? * @param floorDate
? *??????????? Date
? * @param goalDate
? *??????????? Date
? * @return String
? */
?public static String getIntervalDate(Object floorDate, Object goalDate) {
??long intervalSeconds = getIntervalMillSeconds(floorDate, goalDate) / 1000;
??StringBuffer intervalDate = new StringBuffer();
??if (intervalSeconds < 0)
???intervalSeconds = -intervalSeconds;
??long days = intervalSeconds / (24 * 60 * 60);
??intervalSeconds = intervalSeconds - days * 24 * 60 * 60;
??long hours = intervalSeconds / (60 * 60);
??intervalSeconds = intervalSeconds - hours * 3600;
??long minuts = intervalSeconds / 60;
??intervalSeconds = intervalSeconds - minuts * 60;
??if (days > 0)
???intervalDate.append(days + "天");
??if (hours > 0)
???intervalDate.append(hours + "小时");
??if (minuts > 0)
???intervalDate.append(minuts + "分钟");
??if (intervalSeconds > 0)
???intervalDate.append(intervalSeconds + "秒");
??return intervalDate.toString();
?}
?/**
? * @todo 获取两时间间隔的年数
? * @param floorDate
? *??????????? Date
? * @param goalDate
? *??????????? Date
? * @return double
? */
?public static long getIntervalYears(Object floorDate, Object goalDate) {
??return convertDateObject(goalDate).getYear()
????- convertDateObject(floorDate).getYear();
?}
?/**
? * @todo 获取两时间间隔的月数
? * @param floorDate
? *??????????? Date
? * @param goalDate
? *??????????? Date
? * @return double
? */
?public static long getIntervalMonths(Object floorDate, Object goalDate) {
??Date date1 = convertDateObject(goalDate);
??Date date2 = convertDateObject(floorDate);
??return date1.getYear() * 12 + date1.getMonth() - date2.getYear() * 12
????- date2.getMonth();
?}
?/**
? * 获取给定日期的月份的天数
? *
? * @param date
? * @return
? */
?public static int getMonthDays(Object date) {
??Date target = convertDateObject(date);
??int year = target.getYear();
??int month = target.getMonth();
??GregorianCalendar beginCalendar = new GregorianCalendar();
??beginCalendar.set(year, month, 1);
??GregorianCalendar endCalendar = new GregorianCalendar();
??endCalendar.set(year, month + 1, 1);
??return new Double(getIntervalHours(beginCalendar.getTime(), endCalendar
????.getTime()) / 24).intValue();
?}
?/**
? * 将日期转化为中文格式
? *
? * @param dateValue
? * @return
? */
?public static String format2China(Object dateValue) {
??Date date = convertDateObject(dateValue);
??if (date == null)
???return null;
??GregorianCalendar currentDate = new GregorianCalendar();
??currentDate.setTime(convertDateObject(dateValue));
??String tmpDate;
??StringBuffer result = new StringBuffer();
??if (dateValue instanceof String) {
???tmpDate = (String) dateValue;
???if (tmpDate.length() >= 4)
????result.append(currentDate.get(Calendar.YEAR) + "年");
???if (tmpDate.length() >= 6)
????result.append((currentDate.get(Calendar.MONTH) + 1) + "月");
???if (tmpDate.length() >= 8)
????result.append(currentDate.get(Calendar.DAY_OF_MONTH) + "日");
???if (tmpDate.length() > 10) {
????result.append(currentDate.get(Calendar.HOUR_OF_DAY) + "时");
????result.append(currentDate.get(Calendar.MINUTE) + "分");
????result.append(currentDate.get(Calendar.SECOND) + "秒");
???}
??} else {
???result.append(currentDate.get(Calendar.YEAR) + "年");
???result.append((currentDate.get(Calendar.MONTH) + 1) + "月");
???result.append(currentDate.get(Calendar.DAY_OF_MONTH) + "日");
???result.append(currentDate.get(Calendar.HOUR_OF_DAY) + "时");
???result.append(currentDate.get(Calendar.MINUTE) + "分");
???result.append(currentDate.get(Calendar.SECOND) + "秒");
??}
??return result.toString();
?}
?/**
? *
? *@TODO 转换中文日期为指定格式的英文日期形式
? *@param chinaDate
? *@param fmt
? *@return
? */
?public static String parseChinaDate(String chinaDate, String fmt) {
??if (StringUtil.isNullOrBlank(chinaDate))
???return null;
??String tmp = chinaDate;
??for (int i = 0; i < CHINA_DATE_KEYS.length; i++) {
???tmp = tmp.replaceAll(CHINA_DATE_KEYS[i], CHINA_DATE_KEY_MAP[i]);
??}
??String[] chinaDateAry = tmp.split("-");
??StringBuffer result = new StringBuffer();
??for (int i = 0; i < chinaDateAry.length; i++) {
???if (i == 0) {
????result.append(chinaDateAry[0]);
???} else {
????if (chinaDateAry[i].length() == 4)
?????result.append(chinaDateAry[i].replaceFirst("10", ""));
????else if (chinaDateAry[i].length() == 3)
?????result.append(chinaDateAry[i].replaceFirst("0", ""));
????else if (chinaDateAry[i].length() == 2)
?????result.append(chinaDateAry[i]);
????else
?????result.append("0" + chinaDateAry[i]);
???}
??}
??if (StringUtil.isNullOrBlank(fmt))
???return result.toString();
??else
???return formatDate(result.toString(), fmt);
?}
?/**
? *
? *@TODO 转换中文日期为英文格式
? *@param chinaDate
? *@return
? */
?public static String parseChinaDate(String chinaDate) {
??return parseChinaDate(chinaDate, null);
?}
?/**
? *
? *@TODO 获取月份的第一天
? *@param objectDate
? *@return
? */
?public static Date firstDayOfMonth(Object objectDate) {
??Date date = convertDateObject(objectDate);
??if (date == null)
???return null;
??else {
???String tmp = formatDate(date, "yyyy-MM-dd");
???return parseString(tmp, "yyyy-MM");
??}
?}
?/**
? *
? *@TODO 获取月份的最后一天
? *@param objectDate
? *@return
? */
?public static Date lastDayOfMonth(Object objectDate) {
??Date date = convertDateObject(objectDate);
??if (date == null)
???return null;
??else {
???String tmp = formatDate(date, "yyyy-MM-dd");
???Date result = parseString(tmp, "yyyy-MM");
???result = addMonth(result, 1);
???result = addDay(result, -1);
???return result;
??}
?}
?/**
? *
? *@TODO 获取指定日期属于当年中第几个季度
? *@param objDate
? *@return
? */
?public static int getQuarter(Object objDate) {
??Date date = convertDateObject(objDate);
??if (date == null)
???date = DateUtil.getNowTime();
??int month = getMonth(date);
??return (month + 2) / 3;
?}
?public static void main(String[] args) throws Exception {
??Date temp = DateUtil.parseString("2010-12-27");
??System.err.println(temp);
??System.err.println(DateUtil.formatDate(temp, "yyyy-MM-dd"));
?}
}
